| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1469 |
83.1%
|
| 2 | 1 or 2 times | 210 |
11.9%
|
| 3 | 3 to 9 times | 56 |
3.2%
|
| 4 | 10 or more times | 33 |
1.9%
|
| Sysmiss | 9 |